- Patients with renal insufficiency J1 (Day 1 creatinine clearance <56.25 ml/mn/1, 73m2) but severely altered between Day 1 and Day 3 (creatinine clearance Day 1/ Day 3> 1 + Day 3 creatinine clearance <37.5 ml/mn/1, 73m2 ) without renal replacement therapy still necessary before J3